Descendants Hemerik-Broekhuizen-Huner-Koper-Barink » Willem Janssen (1862-1940)

Personal data Willem Janssen 


Household of Willem Janssen

He is married to Geertruida Maria Maartense.

They got married on May 13, 1885 at Leiden, he was 22 years old.


Child(ren):

  1. Pieter Janssen  1886-????

Do you have supplementary information, corrections or questions with regards to Willem Janssen?
The author of this publication would love to hear from you!


Timeline Willem Janssen

  This functionality is only available in Javascript supporting browsers.
Click on the names for more info. Symbols used: grootouders grandparents   ouders parents   broers-zussen brothers/sisters   kinderen children

Ancestors (and descendant) of Willem Janssen


With Quick Search you can search by name, first name followed by a last name. You type in a few letters (at least 3) and a list of personal names within this publication will immediately appear. The more characters you enter the more specific the results. Click on a person's name to go to that person's page.

  • You can enter text in lowercase or uppercase.
  • If you are not sure about the first name or exact spelling, you can use an asterisk (*). Example: "*ornelis de b*r" finds both "cornelis de boer" and "kornelis de buur".
  • It is not possible to enter charachters outside the standard alphabet (so no diacritic characters like ö and é).

Relationship Willem Janssen

The data shown has no sources.

Historical events

  • The temperature on October 27, 1862 was about 12.4 °C. The air pressure was 20 kgf/m2 and came mainly from the southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 76%. Source: KNMI
  • Koning Willem III (Huis van Oranje-Nassau) was from 1849 till 1890 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • From March 14, 1861 till January 31, 1862 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Loudon with the prime ministers Mr. J.P.P. baron Van Zuijlen van Nijevelt (conservatief-liberaal) and Mr. J. Loudon (liberaal).
  • In The Netherlands , there was from February 1, 1862 to February 10, 1866 the cabinet Thorbecke II, with Mr. J.R. Thorbecke (liberaal) as prime minister.
  • In the year 1862: Source: Wikipedia
    • The Netherlands had about 3.6 million citizens.
    • February 10 » American Civil War: A Union naval flotilla destroys the bulk of the Confederate Mosquito Fleet in the Battle of Elizabeth City on the Pasquotank River in North Carolina.
    • April 5 » American Civil War: The Battle of Yorktown begins.
    • April 25 » American Civil War: Forces under U.S. Admiral David Farragut demand the surrender of the Confederate city of New Orleans, Louisiana.
    • September 8 » Millennium of Russia monument is unveiled in Novgorod.
    • September 18 » The Confederate States celebrate for the first and only time a Thanksgiving Day.
    • December 12 » American Civil War: USSCairo sinks on the Yazoo River.
  • The temperature on May 13, 1885 was about 10.7 °C. The air pressure was 2 kgf/m2 and came mainly from the east-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 44%. Source: KNMI
  • Koning Willem III (Huis van Oranje-Nassau) was from 1849 till 1890 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
  • In the year 1885: Source: Wikipedia
    • The Netherlands had about 4.5 million citizens.
    • January 26 » Troops loyal to The Mahdi conquer Khartoum, killing the Governor-General Charles George Gordon.
    • February 21 » The newly completed Washington Monument is dedicated.
    • February 23 » Sino-French War: French Army gains an important victory in the Battle of Đồng Đăng in the Tonkin region of Vietnam.
    • March 3 » The American Telephone & Telegraph Company is incorporated in New York.
    • September 29 » The first practical public electric tramway in the world is opened in Blackpool, England.
    • November 7 » The completion of Canada's first transcontinental railway is symbolized by the Last Spike ceremony at Craigellachie, British Columbia.
  • The temperature on May 25, 1940 was between 8.7 °C and 25.2 °C and averaged 17.8 °C. There was 10.1 hours of sunshine (63%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
  • Koningin Wilhelmina (Huis van Oranje-Nassau) was from 1890 till 1948 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
  • In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
  • In the year 1940: Source: Wikipedia
    • The Netherlands had about 8.8 million citizens.
    • April 23 » The Rhythm Club fire at a dance hall in Natchez, Mississippi, kills 198 people.
    • May 15 » USSSailfish is recommissioned. It was originally the USS Squalus.
    • June 14 » Seven hundred twenty-eight Polish political prisoners from Tarnów become the first inmates of the Auschwitz concentration camp.
    • September 15 » World War II: The climax of the Battle of Britain, when the Royal Air Force shoots down large numbers of Luftwaffe aircraft.
    • September 29 » Two Avro Ansons collide in mid-air over New South Wales, Australia, remain locked together, then land safely.
    • October 7 » World War II: The McCollum memo proposes bringing the United States into the war in Europe by provoking the Japanese to attack the United States.

About the surname Janssen

  • View the information that Genealogie Online has about the surname Janssen.
  • Check the information Open Archives has about Janssen.
  • Check the Wie (onder)zoekt wie? register to see who is (re)searching Janssen.

When copying data from this family tree, please include a reference to the origin:
R.A.Hemerik, "Descendants Hemerik-Broekhuizen-Huner-Koper-Barink", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-hemerik/I39617.php : accessed March 9, 2026), "Willem Janssen (1862-1940)".